<?php
	header("Content-Type:text/html;charset=UTF-8");
	function tranTime($time) { 
		$rtime = date("m-d H:i",$time); 
		$htime = date("H:i",$time); 
		 
		$time = time() - $time; 
	 
		if ($time < 60) { 
			$str = '刚刚'; 
		} 
		elseif ($time < 60 * 60) { 
			$min = floor($time/60); 
			$str = $min.'分钟前'; 
		} 
		elseif ($time < 60 * 60 * 24) { 
			$h = floor($time/(60*60)); 
			$str = $h.'小时前 '.$htime; 
		} 
		elseif ($time < 60 * 60 * 24 * 3) { 
			$d = floor($time/(60*60*24)); 
			if($d==1) 
			   $str = '昨天 '.$rtime; 
			else 
			   $str = '前天 '.$rtime; 
		} 
		else { 
			$str = $rtime; 
		} 
		return $str; 
	} 
	$times = date("Y-m-d H:i:s",time()); 
	echo tranTime(strtotime($times));
?>
